It is a <u><em>chemical compound</em></u> formed with a metal (mainly positive cations) with oxygen.
It is formed through the air as they react in the air together.
They are also BASES - ALKALINE (so neutralise acids)
A gas behaves more like an ideal gas at higher temperature and lower pressure, as the potential energy due to intermolecular forces.
Answer:
I guess you just answered a lot of questions
Explanation:
Thanks for the points btw :)
